Question

Why are all four chromatids different?Thanks u bro.​

Answer 1

Answer:

They differ from both parents and also from each other. This occurs through a number of mechanisms, including crossing-over, the independent assortment of chromosomes during anaphase I, and random fertilization. When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur

Explanation:

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Answer 2

Answer:

Hello

Explanation:

A chromosome is made up two Identical Sister Chromatids. And each sister chromatids are joined at the centromere. A copy of each chromosome is inherited from a male parent and a female parent and this explains the characteristic traits possessed by their offspring (such as facial features reminiscent of the parents).